var urlPrefix='../vp';
function selectZip_vp(zipCode, visionPlan, encSource) {
    $.post(urlPrefix+'/action/zipLookup_vp.lp',{ts:new Date().getTime(),zip:zipCode==null?'':zipCode,vplan:visionPlan==null?'':visionPlan,encSource:encSource==null?'':encSource});
}